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Residual entanglement of accelerated fermions is not nonlocal

AuthorsFriis, Nicolai; Köhler, Philipp; Martín-Martínez, Eduardo; Bertlmann, Reinhold, A.
Issue Date2011
PublisherAmerican Physical Society
CitationPhysical review A 84: 062111 (2011)
AbstractWe analyze the operational meaning of the residual entanglement in noninertial fermionic systems in terms of the achievable violation of the Clauser-Horne-Shimony-Holt (CHSH) inequality. We demonstrate that the quantum correlations of fermions, which were previously found to survive in the infinite acceleration limit, cannot be considered to be nonlocal. The entanglement shared by an inertial and an accelerated observer cannot be utilized for the violation of the CHSH inequality in case of high accelerations. Our results are shown to extend beyond the single-mode approximation commonly used in the literature. © 2011 American Physical Society.
Identifiersdoi: 10.1103/PhysRevA.84.062111
issn: 1050-2947
Appears in Collections:(CFMAC-IFF) Artículos
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